... NBR (nitrile rubber) sealsUsed in the petroleum series hydraulic oil, glycol Department of hydraulic oil, gasoline, water, silicone grease, ... to high pressure resistance, wear sealed link, such as hydraulic cylinders. General use temperature range is -45 °C ... , metal surface treatment, medicine, food, metallurgy smelting, hydraulic and other widely used as high temperature resistance, corrosion- ...